Full TGIF Record # 169249
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Publication Type:
Author(s):Nigh, Edward L. Jr.
Author Affiliation:Professor, Head Department of Plant Pathology, University of Arizona
Title:The influence of nematodes on winter development of overseeded annual ryegrass (Lolium multiflorum)
Source:Report on Turfgrass Research [Arizona]. 1966, p. 4-6.
# of Pages:3
Publishing Information:[Tucson, AZ: The University of Arizona, Turfgrass Research Committee, Agricultural Experiment Station]
Keywords:TIC Keywords: Criconemella xenoplax; Dry weight; Growth analysis; Helicotylenchus; Lolium multiflorum; Nematoda; Overseeding; Plant density; Pratylenchus; Tylenchorhynchus cylindricus; Visual evaluation
Abstract/Contents:Presents a study conducted to determine the extent of nematodes' influence on the winter development of overseeded annual ryegrass (Lolium multiflorum), noting that "at the time the rye is established, nematode populations are reaching their highest densities in turfgrasses throughout the lower elevations of the state." Details methods and materials used during the study, stating that "nematodes of the four genera mentioned above [Helicotylenchus spp., Tylenchorhynchus cylindricus, Pratylenchus spp., and Criconemoides xenoplax] were added in the greenhouse to soil in which the grass had been established before their introduction or added at the time seed was planted." Reports that "there was no visual evidence that the complex nematode population caused reductions in growth, density, or color of the above ground portion of the ryegrass in either treatment when compared with the control plants." Provides a table detailing the net weights of root systems and the number of nematodes recovered from the treatments. Concludes that "[based on] the increased weights of the roots, it appears that the nematodes stimulate root development under greenhouse conditions."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Nigh, E. L. Jr. 1966. The influence of nematodes on winter development of overseeded annual ryegrass (Lolium multiflorum). Rep. Turfgrass Res. [Ariz.]. p. 4-6.
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